Hormander Type Multipliers on Anisotropic Hardy Spaces

Hormander Type Multipliers on Anisotropic Hardy Spaces
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各向异性 Hardy 空间上的 Hormander 型乘子

DOI:
10.1007/s10114-019-8071-8
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发表时间:
2019
影响因子:
0.7
通讯作者:
Huang Liang
Huang Liang
中科院分区:
数学3区
文献类型:
--
作者:
Chen Jiao;Huang Liang

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本文的主要目的是建立,使用Littlewood-Paley-Stein理论(特别是Littlewood-Paley-Stein平方函数),Calderón-Torchinsky型定理,适用于与昂贵膨胀相关的各向异性哈代空间Hp(A)上的下列Fourier乘子:我们的主要定理如下:假设m(A)是满足ThenT的函数,T是从Hp(A)到Hp(A)有界的;其中A * 表示A的转置。这里我们使用了符号smj(A*j <$)=m(A*j <$)φ(A *),并且是n上合适的截断函数,Ws(A*)是n上与扩张扩张A * 有关的各向异性Sobolev空间.
The main purpose of this paper is to establish, using the Littlewood-Paley-Stein theory (in particular, the Littlewood-Paley-Stein square functions), a Calderón-Torchinsky type theorem for the following Fourier multipliers on anisotropic Hardy spacesHp(ℝn;A) associated with expensive dilationA:Our main Theorem is the following: Assume thatm(ξ) is a function on ℝnsatisfyingwithThenTmis bounded fromHp(ℝn;A) toHp(ℝn;A) for all 0 <p≤ 1 andwhereA*denotes the transpose ofA. Here we haveusedthe notationsmj(ξ)=m(A*jξ)φ(ξ)and is a suitable cut-off function on ℝn, andWs(A*) is an anisotropic Sobolev space associated with expansive dilationA*on ℝn.